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The other person can show your signal messages to the wrong people just as well as they can talk about the conversation. At least with a conversation, you have
by mnm1 8y ago
The other person can show your signal messages to the wrong people just as well as they can talk about the conversation. At least with a conversation, you have plausible deniability although that may not count for much. You do also have to be careful of being recorded. Still, the point is, I would not trust a software platform. Ios or Android doesn't make a difference. They are both easily exploitable and have tons of security bugs no doubt, many that the biggest state actors are likely hoarding as 0 days for just such an occasion. There is no perfect solution.
- angry_octet 8y agoI don't think many experts would call iOS "easily exploitable", especially if you don't install random apps and browse the web. 0-days aren't easily available for places like Iran, Syria, Egypt, etc, or even larger countries like Brazil, and wouldn't be burnt on any ordinary suspect. They still usually rely on the user clicking a link. A locked down iPhone (no BT, WPA2-EAP, VPN, Signal, hard passphrase) is a hard target. If your contact is the type who will record the fading Signal messages with another phone you're already fucked.